---
kind: "unit"
title: "45"
title_heading: "Public Welfare"
key: "subtA"
level: "subtitle"
label: "Subtitle A"
heading: "Department of Health and Human Services"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/45/subtA"
sections_count: 1881
---

# Subtitle A — Department of Health and Human Services

Title 45 C.F.R. — Public Welfare

## Contents

- [Subchapter A — General Administration](/cfr/45/subtA-subchA.md)
- [Subchapter B — Requirements Relating to Health Care Access](/cfr/45/subtA-subchB.md)
- [Subchapter C — Administrative Data Standards and Related Requirements](/cfr/45/subtA-subchC.md)
- [Subchapter D — Health Information Technology](/cfr/45/subtA-subchD.md)
- [Subchapter E — Price Transparency](/cfr/45/subtA-subchE.md)